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CVE-2026-108463

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-108463

Key Details

CVECVE-2026-108463
CVSS Score / Version
8.8 (High) / CVSS v3.1
Updated2026-10-13
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is network; attack complexity is low; privileges required is none; user interaction is required; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Microsoft Windows 11 (version 24H2), Microsoft Windows 11 (version 25H2), Microsoft Windows 11 (version 26H1), and Microsoft Windows 11 Version 26H2
Classified as
CWE-41 (Improper Resolution of Path Equivalence)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows 11 Version 26H2
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

What to Do

Monitor Microsoft's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-108463
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-108463

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